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Hello and thank you for reaching out for support. My name is Larribeau, I am an independent advisor and an ordinary user just like you. I will be happy to help you today.
If the keyboard is not physically damaged or damaged by water, it is possible that the problem may be with the keyboard itself or the connection between the keyboard and the laptop. You can try cleaning the keyboard with compressed air or a soft brush to make sure it's not dirty or dirty.
If this does not work, you can try connecting an external keyboard to the laptop and see if it works properly. If the external keyboard is working properly, it's likely that the problem is with your laptop's built-in keyboard, and you may need to repair or replace it.
Another thing you can try is to update your laptop's BIOS, as sometimes outdated BIOS versions can cause keyboard issues. You can check the laptop manufacturer's website for instructions on how to do this.
Hope this helps! Let me know if you have any other questions or concerns